Dear Twitter, I have created twitter application for tv applications. I have used xauth authentication. First time i have created my application as read only. Then I haven't able to post a tweet, an exception occured, Exception like "UnAuthorized?. Then i changed my application setting access level to read and write. Then try to post tweet using xauth authentication, but unfunatley it didnt work. Whatever changes done in application, can i mail to twitter for enabling my application to xauth? is it need?. If anybody could u please help me.